Anaerobic aerobic(A/O)process can availably reduce COD and NH 4 H.Their average removability was reached more than 87% and 92%, separately, and its produced sludge is less.

• 缺氧-好氧(A/O)工艺能有效地降解COD和NH+4-N,COD平均去除率>87%25,NH+4-N平均去除率>92%25,且产泥量少。